QUATTRO MEETS PRACTICALITY
B5 through B9 — Audi's compact sedan with available Quattro AWD and turbo power.
Audi A4 HERITAGE
THE QUATTRO COMPACT
MOTORMIA A4 builds span B5 1.8T stage-3 tuners, B7 RS4 V8 swap projects, B8/B9 ECU-tuned dailies, and the S4 supercharged V6 generation. Many parts cross-fit with VW MK6/MK7 platforms.
Audi A4 ON MOTORMIA
THE NUMBERS
CATEGORIES
Top product categories for the Audi A4
BRANDS
Top brands for Audi A4 builds
READY TO BUILD YOUR AUDI A4?
Pick your year and trim to shop verified-fit Audi A4 parts.
Shop all Audi A4 parts →Verified Fitment
Audi A4 Category brakes Parts
2156 parts available
Shop aftermarket parts for the Audi A4. Verified fitment, free shipping, 30-day returns.

Stoptech
StopTech Performance 08-10 Audi A5 / 10 S4 / 09-10 Audi A4 (except Quattro) Front Brake Pads

Stoptech
StopTech Select Sport Drilled & Slotted Rotor - Rear Right

Stoptech
Centric OE Coated Front Brake Kit (2 Wheel)

EBC
EBC S4 Kits Redstuff Pads and USR Rotors

MGP
Set Of 4 Caliper Covers Engraved Front And Rear MGP Black Finish Silver Characters 2002-2008 Audi A4 MGP Caliper Covers

EBC
S10KF1546 FRONT EBC Stage 10 Kit

EBC
S11KR1319 REAR EBC Stage 11 Kit

Stoptech
StopTech Slotted & Drilled Sport Brake Rotor

EBC
S2KF1438 FRONT EBC Stage 2 Kit

Stoptech
StopTech Power Slot 96-7/04 Audi A4/A4 Quattro / 95-01 A6/A6 Quattro Front Left Slotted Rotor

EBC
S11KR1117 REAR EBC Stage 11 Kit

Stoptech
StopTech Power Slot 02-06 Audi A4/A4 Quattro 3.0L/98-04 A6/A6 Quattro Front Right Slotted Cryo Rotor

Stoptech
StopTech Audi 01-06 Allroad/05-09 A4/ 6/99-04 A6/99-02 S4 Front Left Cryo Slotted Rotor

Hawk Performance
Talon Street Rotor/B

EBC
EBC S9 Brake Pad and Rotor Kit

EBC
S1KF1421 FRONT EBC Stage 1 Kit

Hawk Performance
Hawk 96-02 Audi A4 Quattro / 95-01 Audi A6 Quattro Blue 9012 Race Front Brake Pads

EBC
S13KR1384 REAR EBC Stage 13 Kit

EBC
EBC 2017+ Audi A4 2.0L Turbo (B9) Greenstuff Front Brake Pads

EBC
EBC 05-08 Audi A4 2.0T BSD Front Rotors

EBC
EBC 09-11 Audi A4 2.0 Turbo Premium Rear Rotors

EBC
S12KF1053 FRONT EBC Stage 12 Kit

EBC
EBC S1 Brake Pad and Rotor Kit

Stoptech
StopTech 12-13 Audi A6 Quattro/11-12 A7 Quattro / 10-13 S4 Rear Left Cryo Slotted Rotor

EBC
EBC 13+ Audi A6 Quattro 3.0 TD Premium Front Rotors

Stoptech
StopTech Power Slot 09-10 Audi A4/A4 Quattro / 08-10 A5 / 10 S4 Rear Left Drilled Rotor

Stoptech
StopTech 01-08 Audi A4 / 02-06 A4 Quattro Sportstop Cryo Slotted & Drilled Rear Driver Side Rotor

Stoptech
StopTech 08-11 Audi A5 Quattro / 09-12 Audi A4 Quattro Sport Cryo Drilled Right Front Rotor

Stoptech
StopTech Drilled Sport Brake Rotor

EBC
EBC S1 Brake Pad and Rotor Kit

EBC
EBC S5 Brake Pad and Rotor Kit

Hawk Performance
Talon Street Rotor/B

EBC
EBC 06-13 Audi A3 2.0 Turbo (Girling rear caliper) Yellowstuff Rear Brake Pads

EBC
EBC S2 Kits Greenstuff Pads & USR Rotors

Stoptech
StopTech Street Touring 08-10 Audi A5 / 10 S4 Front Brake Pads

Stoptech
StopTech 05-08 Audi A4/00-04 A6 Front BBK w/ Red ST-60 Calipers Slotted Zinc 355x32 Rotors

EBC
EBC S13 Brake Pad and Rotor Kit

EBC
EBC S2 Brake Pad and Rotor Kit

Stoptech
Centric OE Coated Front Brake Kit (2 Wheel)

Hawk Performance
Talon Street Rotor/B

Hawk Performance
Hawk HP+ Street Brake Pads

EBC
EBC 05-08 Audi A4 2.0 Turbo GD Sport Front Rotors

EBC
EBC S11 Brake Pad and Rotor Kit

EBC
EBC S4 Brake Pad and Rotor Kit

EBC
S1KF1070 FRONT EBC Stage 1 Kit

EBC
EBC S2 Brake Pad and Rotor Kit

Hawk Performance
Talon Street Rotor/B

EBC
S13KF1663 FRONT EBC Stage 13 Kit

Stoptech
StopTech Slotted Sport Brake Rotor

Stoptech
StopTech SportStop 02-06 Audi A4 (Exc Quattro) / 02-12/04 A4 Quattro Drilled Right Rear Rotor

EBC
S13KF1784 FRONT EBC Stage 13 Kit

Stoptech
StopTech Drilled Sport Brake Rotor

MGP
Set Of 4 Caliper Covers Engraved Front And Rear MGP Black Finish Silver Characters 2005-2008 Audi A4 MGP Caliper Covers

EBC
EBC 10+ Audi A5 2.0 Turbo Premium Front Rotors

EBC
EBC Brakes Bluestuff Street and Track Day Brake Pads

Stoptech
StopTech 01-08 Audi A4 SportStop Cryo Slotted & Drilled Rear Left Rotor

MGP
Set Of 4 Caliper Covers Engraved Front And Rear MGP Red Finish Silver Characters 2005-2009 Audi A4 MGP Caliper Covers

Hawk Performance
Hawk Talon 2004 Audi S4 Drilled and Slotted Front Brake Rotor Set

Stoptech
StopTech 09-10 Audi A4 / 08-10 A5 / 10 Audi S4 Front Right Slotted Rotor

Stoptech
Centric OE Grade Rear Brake Kit (2 Wheel)
FAQ
Frequently Asked Questions About the Audi A4
What are the best aftermarket parts brands for the Audi A4?
The top brands MOTORMIA owners trust for Audi A4 builds are EBC, PowerStop, H&R, Bilstein, and Magnaflow. The catalog carries 3,135 parts that fit the A4. Use the fitment selector to filter to your specific year and trim, then browse by category or brand.
What's the best trim or sub-model of the Audi A4 to modify?
The most-modified A4 trims are S4 (especially B5 / B7 / B8 / B9 supercharged). These trims typically came with performance-focused suspension, brakes, and engine options that give a higher starting point. That said, the A4's engine family (1.8T, 2.0T EA888, 3.0T supercharged (S4), 4.2 V8 (B7 RS4)) shares aftermarket across most trims, so base-trim builds with the right bolt-ons can match higher trims on power.
What's the typical mod path for a Audi A4?
For most Audi A4 builds, the recommended modification order is: ECU tune → intake → downpipe → suspension → turbo upgrade. This sequence stages upgrades so each mod supports the next — tuning unlocks gains from intake/exhaust, suspension keeps the added power planted. MOTORMIA member builds let you see exact part lists for Audi A4 builds at every power level.
How does the Audi A4 aftermarket compare to the BMW 3 Series?
The Audi A4 is the Quattro AWD compact sedan with the EA888 2.0T platform shared across Audi/VW. On MOTORMIA, 3,135 parts fit the A4 across 3,000+ active member builds, with an average part MSRP of $711. The decision usually comes down to which platform you own — both have full bolt-on catalogs.
Will any Audi A4 part fit my year and trim?
Not always. The Audi A4 has had multiple generations and engine changes (e.g., 1.8T, 2.0T EA888, 3.0T supercharged (S4), 4.2 V8 (B7 RS4)), and parts are generation- and trim-specific. MOTORMIA's catalog uses verified fitment data — every product page shows exactly which years and submodels of the A4 a part fits. Use the fitment selector at the top of any page to pre-filter to your build.
Does MOTORMIA offer returns on Audi A4 parts?
Yes. Most Audi A4 parts on MOTORMIA are eligible for our 30-day return policy provided they're unused, uninstalled, and in original packaging. Special-order parts are flagged with a "Special Order" badge on the product page. Manufacturer warranties are processed through MOTORMIA on your behalf.
MOTORMIA APP
Build your Audi A4 with Mia
Personalized Audi A4 mod recommendations, verified fitment from real A4 owners, and a garage that tracks every part on your build.
- Mod recommendations tuned to your A4 year, trim, and submodel
- Verified fitment data from 3,000+ Audi A4 member builds
- Performance gain estimates based on real-world results
- Save your garage and track every part you've installed